HP Compaq Presario,Presario X1001 Maintenance And Service Manual page 178

Screw Listing
mm
Where used:
4 screws that secure the hard drive to the hard drive cover and shield
(documented in
Phillips PM2.5×3.5 Screw Locations
C–6
Phillips PM2.5×3.5 Screw
Color
Silver
Section 5.3)
Table C-3
Qty. Length
4 3.5 mm
Maintenance and Service Guide
Head
Thread Width
2.5 mm 5.0 mm